20899372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13859}}^1$

素因数の和:13905

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 19849028

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13859, 27718, 55436, 180167, 360334, 401911, 720668, 803822, 1607644, 5224843, 10449686, 20899372]

約数ペア:

[(1, 20899372), (2, 10449686), (4, 5224843), (13, 1607644), (26, 803822), (29, 720668), (52, 401911), (58, 360334), (116, 180167), (377, 55436), (754, 27718), (1508, 13859)]